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Http_if_unmodified_since

Macros

#define HTTP_IF_UNMODIFIED_SINCE_INIT()
 Initializer for structure http_if_unmodified_since_t.
 
#define HTTPTAG_IF_UNMODIFIED_SINCE(x)
 Tag list item for pointer to a If-Unmodified-Since header object.
 
#define HTTPTAG_IF_UNMODIFIED_SINCE_STR(s)
 Tag list item for string with If-Unmodified-Since header value.
 

Enumerations

enum  { http_if_unmodified_since_hash }
 

Functions

http_if_unmodified_since_thttp_if_unmodified_since_init (http_if_unmodified_since_t x[1])
 Initialize a structure http_if_unmodified_since_t.
 
int http_is_if_unmodified_since (http_header_t const *header)
 Test if header object is instance of http_if_unmodified_since_t.
 
http_if_unmodified_since_thttp_if_unmodified_since_dup (su_home_t *home, http_if_unmodified_since_t const *hdr))
 Duplicate (deep copy) http_if_unmodified_since_t.
 
http_if_unmodified_since_thttp_if_unmodified_since_copy (su_home_t *home, http_if_unmodified_since_t const *hdr))
 Copy a http_if_unmodified_since_t header structure.
 
http_if_unmodified_since_thttp_if_unmodified_since_make (su_home_t *home, char const *s))
 Make a header structure http_if_unmodified_since_t.
 
http_if_unmodified_since_thttp_if_unmodified_since_format (su_home_t *home, char const *fmt,...)))
 Make a If-Unmodified-Since header from formatting result.
 

Variables

msg_hclass_t http_if_unmodified_since_class []
 Header class for HTTP If-Unmodified-Since header.
 
msg_parse_f http_if_unmodified_since_d
 Decode (parse) a If-Unmodified-Since header.
 
msg_print_f http_if_unmodified_since_e
 Encode (print) a If-Unmodified-Since header.
 

Detailed Description

Macro Definition Documentation

◆ HTTP_IF_UNMODIFIED_SINCE_INIT

#define HTTP_IF_UNMODIFIED_SINCE_INIT ( )

Initializer for structure http_if_unmodified_since_t.

A static http_if_unmodified_since_t structure must be initialized with the HTTP_IF_UNMODIFIED_SINCE_INIT() macro. For instance,

#define HTTP_IF_UNMODIFIED_SINCE_INIT()
Initializer for structure http_if_unmodified_since_t.
Definition http_protos.h:5842
Date, Expires, If-Modified-Since, If-Unmodified-Since, Last-Modified.
Definition http.h:219

◆ HTTPTAG_IF_UNMODIFIED_SINCE

#define HTTPTAG_IF_UNMODIFIED_SINCE (   x)

Tag list item for pointer to a If-Unmodified-Since header object.

The HTTPTAG_IF_UNMODIFIED_SINCE() macro is used to include a tag item with a pointer to a http_if_unmodified_since_t object in a tag list.

Parameters
xpointer to a http_if_unmodified_since_t header structure, or NULL.

◆ HTTPTAG_IF_UNMODIFIED_SINCE_STR

#define HTTPTAG_IF_UNMODIFIED_SINCE_STR (   s)

Tag list item for string with If-Unmodified-Since header value.

The HTTPTAG_IF_UNMODIFIED_SINCE_STR() macro is used to include a tag item with a string containing value of a http_if_unmodified_since_t header in a tag list.

Parameters
spointer to a string containing http_if_unmodified_since_t value, or NULL.

The HTTPTAG_IF_UNMODIFIED_SINCE_STR string can be converted to a http_if_unmodified_since_t header structure by giving the string s has second argument to function http_if_unmodified_since_make().

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
http_if_unmodified_since_hash 

Hash of If-Unmodified-Since header.

Function Documentation

◆ http_if_unmodified_since_copy()

http_if_unmodified_since_t * http_if_unmodified_since_copy ( su_home_t home,
http_if_unmodified_since_t const *  hdr 
)
inline

Copy a http_if_unmodified_since_t header structure.

The function http_if_unmodified_since_copy() copies a header structure hdr. If the header structure hdr contains a reference (hdr->h_next) to a list of headers, all the headers in that list are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header structure hdr.

Parameters
homememory home used to allocate new structure
hdrpointer to the header structure to be duplicated

When copying, only the header structure and parameter lists attached to it are duplicated. The new header structure retains all the references to the strings within the old header, including the encoding of the old header, if present.

Example
if_unmodified_since = http_if_unmodified_since_copy(home, http->http_if_unmodified_since);
http_if_unmodified_since_t * http_if_unmodified_since_copy(su_home_t *home, http_if_unmodified_since_t const *hdr))
Copy a http_if_unmodified_since_t header structure.
Definition http_protos.h:6036
Returns
The function http_if_unmodified_since_copy() returns a pointer to newly copied header structure, or NULL upon an error.

◆ http_if_unmodified_since_dup()

http_if_unmodified_since_t * http_if_unmodified_since_dup ( su_home_t home,
http_if_unmodified_since_t const *  hdr 
)
inline

Duplicate (deep copy) http_if_unmodified_since_t.

The function http_if_unmodified_since_dup() duplicates a header structure hdr. If the header structure hdr contains a reference (hdr->x_next) to a list of headers, all the headers in the list are duplicated, too.

Parameters
homememory home used to allocate new structure
hdrheader structure to be duplicated

When duplicating, all parameter lists and non-constant strings attached to the header are copied, too. The function uses given memory home to allocate all the memory areas used to copy the header.

Example
if_unmodified_since = http_if_unmodified_since_dup(home, http->http_if_unmodified_since);
http_if_unmodified_since_t * http_if_unmodified_since_dup(su_home_t *home, http_if_unmodified_since_t const *hdr))
Duplicate (deep copy) http_if_unmodified_since_t.
Definition http_protos.h:6029
Returns
The function http_if_unmodified_since_dup() returns a pointer to the newly duplicated http_if_unmodified_since_t header structure, or NULL upon an error.

◆ http_if_unmodified_since_format()

http_if_unmodified_since_t * http_if_unmodified_since_format ( su_home_t home,
char const *  fmt,
  ... 
)
inline

Make a If-Unmodified-Since header from formatting result.

The function http_if_unmodified_since_format() makes a new If-Unmodified-Since header object using formatting result as its value. The function first prints the arguments according to the format fmt specified. Then it allocates a new header structure, and uses the formatting result as the header value.

Parameters
homememory home used to allocate new header structure.
fmtstring used as a printf()-style format
...argument list for format
Note
This function is usually implemented as a macro calling msg_header_format().
Returns
The function http_if_unmodified_since_format() returns a pointer to newly makes header structure, or NULL upon an error.

◆ http_if_unmodified_since_init()

http_if_unmodified_since_t * http_if_unmodified_since_init ( http_if_unmodified_since_t  x[1])
inline

Initialize a structure http_if_unmodified_since_t.

An http_if_unmodified_since_t structure can be initialized with the http_if_unmodified_since_init() function/macro. For instance,

http_if_unmodified_since_t http_if_unmodified_since;
http_if_unmodified_since_init(&http_if_unmodified_since);
http_if_unmodified_since_t * http_if_unmodified_since_init(http_if_unmodified_since_t x[1])
Initialize a structure http_if_unmodified_since_t.
Definition http_protos.h:5858

◆ http_if_unmodified_since_make()

http_if_unmodified_since_t * http_if_unmodified_since_make ( su_home_t home,
char const *  s 
)
inline

Make a header structure http_if_unmodified_since_t.

The function http_if_unmodified_since_make() makes a new http_if_unmodified_since_t header structure. It allocates a new header structure, and decodes the string s as the value of the structure.

Parameters
homememory home used to allocate new header structure.
sstring to be decoded as value of the new header structure
Note
This function is usually implemented as a macro calling http_header_make().
Returns
The function http_if_unmodified_since_make() returns a pointer to newly maked http_if_unmodified_since_t header structure, or NULL upon an error.

◆ http_is_if_unmodified_since()

int http_is_if_unmodified_since ( http_header_t const *  header)
inline

Test if header object is instance of http_if_unmodified_since_t.

The function http_is_if_unmodified_since() returns true (nonzero) if the header class is an instance of If-Unmodified-Since header object and false (zero) otherwise.

Parameters
headerpointer to the header structure to be tested
Returns
The function http_is_xif_unmodified_since() returns true (nonzero) if the header object is an instance of header if_unmodified_since and false (zero) otherwise.

Variable Documentation

◆ http_if_unmodified_since_class

msg_hclass_t http_if_unmodified_since_class[]
extern

Header class for HTTP If-Unmodified-Since header.

The header class http_if_unmodified_since_class defines how a HTTP If-Unmodified-Since header is parsed and printed. It also contains methods used by HTTP parser and other functions to manipulate the http_if_unmodified_since_t header structure.


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